Timestamp Converter
Convert a Unix timestamp to a readable date, and the other way round.
Runs entirely in your browser. Nothing you enter is uploaded or stored.
Right now
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How to use the Timestamp Converter
- Paste a timestamp — seconds or milliseconds, it works out which.
- Read the date in your own timezone and in UTC.
- Or go the other way: pick a date and get the timestamp.
Questions people ask
Seconds or milliseconds?
Unix timestamps are traditionally in seconds; JavaScript uses milliseconds. A present-day value with ten digits is seconds and thirteen is milliseconds, and this tool tells you which it assumed.
What is the 2038 problem?
Systems that store the timestamp as a signed 32-bit number run out of room on 19 January 2038. Anything storing it as a 64-bit number is unaffected, which is most modern software.
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